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Finding the Fourth Proportional to 49,874,051.30, 69,653,610.70 and 49,874,051.30

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Solution

The fourth proportional to 49,874,051.30, 69,653,610.70 and 49,874,051.30 is: 69,653,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,874,051.30 : 69,653,610.70 = 49,874,051.30 : x
  2. Step 2: Convert to fraction form
    49,874,051.30/69,653,610.70 = 49,874,051.30/x
  3. Step 3: Cross multiply
    49,874,051.30x = 69,653,610.70 × 49,874,051.30
  4. Step 4: Simplify right side
    49,874,051.30x = 3,473,907,753,282,029
  5. Step 5: Solve for x
    x = 3,473,907,753,282,029/49,874,051.30
  6. Step 6: Final answer
    x = 69,653,610.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.